Thermo-optic information writing process and information support for implementing this process
US4405994A · kind A · utility
38Cited by
4References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 1981 |
| Grant date | Sep 20, 1983 |
| Priority date | — |
| Expiry date | Jan 21, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2007/24314
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Thermo-optic writing on an information support in which an organic sublayer covered by a metal layer is deposited on a substrate. A plastic deformation due to the thrust exerted by the localized swelling of the sub-layer is created in the metal layer to produce a relief impression without piercing of the metal layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.